650502220

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1\times {\mathrm{677}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 1383933600

約数和(自身を除く): 733431380

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 449, 535, 677, 898, 1070, 1354, 1796, 2140, 2245, 2708, 3385, 4490, 6770, 8980, 13540, 48043, 72439, 96086, 144878, 192172, 240215, 289756, 303973, 362195, 480430, 607946, 724390, 960860, 1215892, 1448780, 1519865, 3039730, 6079460, 32525111, 65050222, 130100444, 162625555, 325251110, 650502220]

約数ペア:

[(1, 650502220), (2, 325251110), (4, 162625555), (5, 130100444), (10, 65050222), (20, 32525111), (107, 6079460), (214, 3039730), (428, 1519865), (449, 1448780), (535, 1215892), (677, 960860), (898, 724390), (1070, 607946), (1354, 480430), (1796, 362195), (2140, 303973), (2245, 289756), (2708, 240215), (3385, 192172), (4490, 144878), (6770, 96086), (8980, 72439), (13540, 48043)]